{{teacher | json}}
<form (ngSubmit)="onSubmit()">
  <div>
    姓名：<input value="张三" name="name" [(ngModel)]="teacher.name">
  </div>
  <div>
    用户名：<input value="zhangsan" name="username" [(ngModel)]="teacher.username">
  </div>
  <div>
    Email: <input value="zhangsan@yunzhi.club" name="email" [(ngModel)]="teacher.email">
  </div>
  <div>
    性别：<input type="radio" name="sex" [value]="true" [(ngModel)]="teacher.sex">男
    <input type="radio" name="sex" [value]="false" [(ngModel)]="teacher.sex">女
  </div>
  <div>
    <button>保存</button>
  </div>
</form>
